Period 46 - UNIT 7: SAVING ENERGY - Lesson 5 ppsx

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

Ngày tải lên: 03/07/2014, 21:20

... money -& gt; We can use energy -saving bulbs instead of ordinary 100 watt-light bulbs to spend less on lighting -& gt; She will pay US$ 2 for lighting if she uses energy -saving bulbs instead. -& gt; ... will she pay if she uses two energy -saving bulbs instead? 4. What is the purpose of the labeling scheme? 5. Why should we save energy? *Questions Unit 7: Savin...

Ngày tải lên: 10/06/2013, 01:26

... she uses two energy -saving bulbs instead ? 4.What is the purpose of the labeling scheme? 5. Why should we save energy ? ANSWER THE QUESTIONS / P.61 7 UNIT 7 : READ /P.60, 61 5. efficiency ... money. 2. We can use energy -saving bulbs instead of ordinary 100 watts bulbs to spend less on lighting. 3. She will pay only US$ 2 for lighting if she uses two energy -saving bulb...

Ngày tải lên: 16/06/2013, 01:25

... much will she pay if she uses two energy -saving? - She will pay US$2 for lighting if she uses energy -saving - She will pay US$2 for lighting if she uses energy -saving bulbs instead bulbs instead . . ... they can save money and energy . . 5. Why should we save energy ? - We should save energy because by saving energy we - We should save energy because...

Ngày tải lên: 22/06/2013, 01:27

... help you. Unit 7 Unit 7 : : Saving energy Saving energy Period 45 Period 45 Lesson 5: Write Lesson 5: Write 1. Form 1. Form 2. Write 2. Write - Collect plastic bags. - not keep ... out. 5 43 2 1 0 6 7 8 9 10 Unit 7 Unit 7 : : Saving energy Saving energy Period 45 Period 45 Lesson 5: Write Lesson 5: Write 1. Form...

Ngày tải lên: 22/06/2013, 01:27